#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <math.h>
int main() 
{
	double a, b, c, d, e;
	a = pow(2, 3);
	b = sqrt(2);
	c = ceil(12.55);
	d = floor(12.55);
	e = fabs(-12.3);
	printf("%lf\n%lf\n%lf\n%lf\n%lf\n",a,b,c,d,e);
	return 0;
}